Azure Pricing Calculator
https://azure.microsoft.com/en-us/pricing/calculator/

Azure Server Information
https://azure.microsoft.com/en-us/pricing/details/virtual-machines/windows/

Azure VPN Gateway Information
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpngateways

ExpressRoute Information
https://docs.microsoft.com/en-us/azure/expressroute/expressroute-prerequisites

Azure Storage Types
https://azure.microsoft.com/en-us/services/storage/?b=16.50

Azure Backup Information
https://azure.microsoft.com/en-us/services/backup